[Bug] Anthropic API Error: Tool Use Concurrency Blocking Requests

Bug Description
every single conversation and prompt i try to run immediately throws this error: API Error: 400 due to tool use concurrency issues. Run /rewind to recover
the conversation.

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.0.12
• Feedback ID: da100d9b-91eb-439a-b0e2-6bc5309ad884

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.2: `tool_use` ids were found without `tool_result` blocks immediately after: toolu_01NZbutPZhp1LjeckY6ttXir, toolu_01QudCDpUD33iRiPaTDypGhk. Each `tool_use` block must have a corresponding `tool_result` block in the next message.\"},\"request_id\":\"req_011CTwzmTXyzAAV1EShnXRWS\"}\n    at N4.generate (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:428:21403)\n    at oS.makeStatusError (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:573:2117)\n    at oS.makeRequest (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:573:5330)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async WwQ.SD1.model (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:3197:19050)\n    at async SD1 (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:2485:39781)\n    at async WwQ (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:3197:19204)\n    at async file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:3197:13417\n    at async ll0 (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:3197:4415)\n    at async CB1 (file:///Users/jonzy/.nvm/versions/node/v22.17.1/lib/node_modules/@anthropic-ai/claude-code/cli.js:3197:13387)","timestamp":"2025-10-09T17:11:30.678Z"}]